console.log('lodash',_)
let a = [1,2,3]
console.log(_.join(a,'%%'))
let b = [
    {title:'张',age:18,sex:'男'},
    {title:'张',age:15,sex:'女'},
    {title:'李',age:15,sex:'男'},
    {title:'狗',age:13,sex:'中'},
    {title:'儿',age:12,sex:'女'},

]
let e = _.groupBy(b,'title')
console.log()
let c = 'ccc'
let d = {};
d[`${c}`]=b
console.log('dd',d);
for((value) in e){
    console.log('遍历对象',value)
}

let f = "aaaa"
console.log('isstring',typeof f == 'string')